Dispenser is a part that uses to drop items and resources from bins. Faucet dropping gas and liquids is an alternative of this.
Its appearance is a gray-colored part with a hole on its front side. When it is clicked or interacted by triggering it, its color will turn green and start to drop items from a connected bin. Its color will turn back into gray when it is clicked again.
In-game description
'"Dispenses items from attached bins, similar to a faucet. Can also filter certain items from dispensing. Simply configure it to be a list of names. For example, Copper Iron Wire " '